Yuusha desu ga, Heroine-tachi ni Inochi wo Nerawareteimasu

The hero who killed his beloved family and comrades with his own hands and destroyed the world, Frey Laon Starlight. His true goal was to open the Hidden Route and then conquer it to prevent the heroines' deaths and achieve world peace. Frey opened the Hidden Route as planned and returned to the past. However, his relief was short-lived, as an unimaginable message appeared before his eyes. A status window appeared, indicating that the five heroines who were killed by him remembered their past lives and were trying to kill Frey! (Source: KakaoPage, translated)